2007864658841 has 2 divisors, whose sum is σ = 2007864658842. Its totient is φ = 2007864658840.

The previous prime is 2007864658727. The next prime is 2007864658847. The reversal of 2007864658841 is 1488564687002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1631354790025 + 376509868816 = 1277245^2 + 613604^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007864658841 - 2²² = 2007860464537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2007864658847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003932329420 + 1003932329421.

It is an arithmetic number, because the mean of its divisors is an integer number (1003932329421).

Almost surely, 2^{2007864658841} is an apocalyptic number.

It is an amenable number.

2007864658841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007864658841 is an equidigital number, since it uses as much as digits as its factorization.

2007864658841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 2007864658841 in words is "two trillion, seven billion, eight hundred sixty-four million, six hundred fifty-eight thousand, eight hundred forty-one".